<template>
<div class="shopcar-container">
    <div class="goos-list">
        <div class="mui-card" v-for="(val,i) in goodslist" :key="val.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch v-model="$store.getters.getGoodsSelected[val.id]" 
                        @change="selectChange(val.id,$store.getters.getGoodsSelected[val.id])"></mt-switch>
                        <img :src="val.thumb_path" alt="">
                        <div class="info">
                            <h1>{{val.title}}</h1>                           
                            <p>
                                <span class="price">￥{{val.sell_price}}</span>
                                <numbox class="numsbox" :initcount="$store.getters.getGoodsCounts[val.id]" :goodsid="val.id"></numbox>
                                <!-- 问题：如何从购物车中获取商品数量
                                    1，我们可以创建一个空对象，然后循环购物车中所有的商品的数据，吧当前循环这条商品
                                    的id，作为对象的属性名，count值作为对象的属性值，这样当把所有的商品循环一遍，就会
                                    得到一个对象，{88:1，89:3}
                                 -->
                                <a href="#" @click.prevent="remove(val.id,i)">删除</a>
                            </p>
                        </div>
					</div>
				</div>
			</div>
            <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价<span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
                        </div>
                        <mt-button type="danger">去结算1</mt-button>
					</div>
                    
				</div>
			</div>
    </div>
</div>    
</template>
<script>
    import numbox from '../subcomponents/shopcar_numver.vue'
import Axios from 'axios';
import {Toast} from 'mint-ui'
    export default {
        data(){
            return {
                goodslist:[]
            }
        },
        created() {
            this.getshopslist()
        },
        methods:{
            getshopslist(){
                //获取到store中所有的商品的id 然后拼接处一个字符串，用逗号分隔的字符串
                let idArr=[]
                this.$store.state.car.forEach(item => {
                    idArr.push(item.id)
                    
                });
                //如果 购物车中没有商品，则直接返回，不需要请求接口，否则会报错
                if (idArr.length<=0){
                    return;
                }
                Axios({
                    method:'get',
                    url:`http://www.liulongbin.top:3005/api/goods/getshopcarlist/${idArr.join(',')}`
                }).then(res=>{
                    if(res.data.status===0){
                        this.goodslist=res.data.message
                    }else{
                        Toast("获取数据失败")
                    }
                })
            },
            remove(id,index){
                //点击删除，把商品从store中根据传递的id删除，同时把当前组件中的goodslist中，对应要删除的那个商品
                // 使用index来删除
                this.goodslist.splice(index,1);
                this.$store.commit('removeFormCar',id)
            },
            selectChange(id,val){
                //每当点击开关，把最新的开关状态，同步到store中
                this.$store.commit("updateGoodsSelected",{id,selected:val})
                // console.log(id+'-----'+val)
            }
        },
        components:{
            numbox
        }
    }
</script>
<style lang="scss" scoped>
.shopcar-container{
    background-color: #eee;
    overflow: hidden;
    .goos-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center
        };
        img{
            width: 60px;
            height: 60px;
        };
        h1{
            font-size: 13px
        };
        .info{
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            .price{
                color: red;
                font-weight: bold
            }
        }
    };
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
    .numsbox{
        
            display: inline-block
        
    }
}
</style>
